---> uname -a: Linux a113498df037 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.438 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 7.3G 42.7G 15% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-383 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-383@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 674 110 0 1052 1058 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/17/20 _x86_64_ (4 CPU) 16:02:26 LINUX RESTART 16:03:01 tps rtps wtps bread/s bwrtn/s 16:04:01 61.78 15.00 46.78 4984.85 6528.92 16:05:02 1.70 0.00 1.70 0.00 31.42 16:06:01 0.19 0.00 0.19 0.00 2.07 16:07:01 0.30 0.00 0.30 0.00 3.83 16:08:01 0.25 0.00 0.25 0.00 2.66 16:09:01 83.43 59.77 23.66 5227.04 11119.33 Average: 24.68 12.50 12.18 1707.14 2956.91 16:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:04:01 193820 1687736 89.70 2620 1096488 1119960 38.22 472028 1056404 120 16:05:02 197056 1684500 89.53 2620 1096480 1103120 37.65 471328 1054404 8 16:06:01 198892 1682664 89.43 2620 1096484 1079756 36.85 472180 1052524 8 16:07:01 197968 1683588 89.48 2620 1096488 1079684 36.85 473420 1051988 8 16:08:01 196108 1685448 89.58 2620 1096492 1079612 36.85 480664 1047276 16 16:09:01 77920 1803636 95.86 2620 1105132 1513240 51.64 610020 1007456 101376 Average: 176961 1704595 90.60 2620 1097927 1162562 39.68 496607 1045009 16923 16:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:04:01 eth0 607.96 444.71 1303.85 398.73 0.00 0.00 0.00 16:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 docker0 105.94 94.54 9.13 303.43 0.00 0.00 0.00 16:05:02 eth0 1.08 0.38 0.32 0.20 0.00 0.00 0.00 16:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 eth0 1.03 0.32 0.33 0.20 0.00 0.00 0.00 16:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 eth0 0.52 0.32 0.27 0.20 0.00 0.00 0.00 16:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 eth0 0.22 0.15 0.08 0.04 0.00 0.00 0.00 16:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 eth0 97.79 63.17 2329.84 10.08 0.00 0.00 0.00 16:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 118.46 85.10 607.60 68.46 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.71 15.81 1.53 50.73 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/17/20 _x86_64_ (4 CPU) 16:02:26 LINUX RESTART 16:03:01 CPU %user %nice %system %iowait %steal %idle 16:04:01 all 9.00 0.00 2.45 1.91 0.02 86.63 16:04:01 0 7.58 0.00 3.13 1.73 0.02 87.54 16:04:01 1 8.71 0.00 2.66 5.45 0.03 83.15 16:04:01 2 9.03 0.00 1.99 0.23 0.03 88.71 16:04:01 3 10.65 0.00 1.98 0.20 0.02 87.15 16:05:02 all 0.04 0.00 0.03 0.00 0.00 99.93 16:05:02 0 0.05 0.00 0.02 0.00 0.00 99.93 16:05:02 1 0.03 0.00 0.03 0.00 0.00 99.93 16:05:02 2 0.02 0.00 0.05 0.00 0.00 99.93 16:05:02 3 0.07 0.00 0.03 0.00 0.00 99.90 16:06:01 all 0.17 0.00 0.03 0.00 0.00 99.80 16:06:01 0 0.03 0.00 0.05 0.00 0.00 99.92 16:06:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:06:01 2 0.05 0.00 0.02 0.00 0.00 99.93 16:06:01 3 0.54 0.00 0.02 0.00 0.00 99.44 16:07:01 all 0.15 0.00 0.02 0.00 0.00 99.83 16:07:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:07:01 1 0.03 0.00 0.02 0.00 0.00 99.95 16:07:01 2 0.02 0.00 0.02 0.00 0.00 99.97 16:07:01 3 0.52 0.00 0.02 0.00 0.00 99.47 16:08:01 all 0.16 0.00 0.02 0.00 0.00 99.82 16:08:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:08:01 1 0.05 0.00 0.02 0.00 0.00 99.93 16:08:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:08:01 3 0.50 0.00 0.00 0.00 0.00 99.50 16:09:01 all 3.78 0.00 1.76 1.20 0.01 93.25 16:09:01 0 3.03 0.00 1.71 0.08 0.02 95.17 16:09:01 1 5.15 0.00 1.74 3.19 0.03 89.89 16:09:01 2 3.13 0.00 1.72 0.45 0.00 94.70 16:09:01 3 3.81 0.00 1.87 1.07 0.02 93.24 Average: all 2.21 0.00 0.72 0.52 0.00 96.55 Average: 0 1.79 0.00 0.83 0.30 0.01 97.08 Average: 1 2.34 0.00 0.75 1.44 0.01 95.46 Average: 2 2.05 0.00 0.64 0.11 0.01 97.20 Average: 3 2.68 0.00 0.65 0.21 0.01 96.45